Denshi Jisho — Online Japanese dictionary

頑固 がんこ stubbornness; obstinacy
Common word, Na-adjective, Noun 
頑愚 がんぐ obstinate and foolish
Na-adjective, Noun 
頑是 がんぜ distinction between right and wrong
Noun 
頑癬 たむし ringworm (of the body); tinea corporis
Noun 
頑 かたくな obstinate
Na-adjective, Usually written using kana alone 
頑な かたくな obstinate
Common word, Na-adjective, Usually written using kana alone 
頑健 がんけん robust health; able-bodied
Na-adjective, Noun 
頑癬 がんせん ringworm (of the groin); jock itch; tinea cruris
Noun 
頑然 がんぜん resolute
Adverb taking the 'to' particle, Taru-adjective, Archaism 
頑冥 がんめい bigotry; stubbornness; obstinacy
Na-adjective, Noun 
頑迷 がんめい bigotry; stubbornness; obstinacy
Na-adjective, Noun 
頑陋 がんろう stubborn and mean; obstinate and bigoted
Na-adjective, Noun 
頑張り がんばり tenacity; endurance
Common word, Noun 
頑張る がんばる 1: to persevere; to persist; to keep at it; to hang on; to hold out; to do one's best;
2: to insist that; to stick to (one's opinion);
3: to remain in a place; to stick to one's post; to refuse to budge
Common word, Ateji (phonetic) reading, Godan verb with ru ending, Intransitive verb 
頑強 がんきょう dogged; tenacious; stubborn
Common word, Na-adjective, Noun 
頑丈 がんじょう solid; firm; stout; burly; strong; sturdy
Common word, Na-adjective, Noun 
頑固者 がんこもの stubborn person; bonehead; bullethead; pig-headed person
Noun 
頑張って がんばって hold on; go for it; keep at it
Common word, Expression 
頑是ない がんぜない innocent; helpless
Adjective 
頑是無い がんぜない innocent; helpless
Adjective 
頑として がんとして firmly, stubbornly
Expression, Adverb 
頑張り屋 がんばりや someone who battles on in difficult circumstances
Noun 
頑健無比 がんけんむひ being of very robust health
Noun, Na-adjective 
頑固親父 がんこおやじ stubborn (obstinate) father; pig-headed old man
Noun 
頑固一徹 がんこいってつ stubborn; obstinate; sticking to one's views or decisions
Noun, Na-adjective 
頑迷固陋 がんめいころう obstinate; stubborn; hard-headed; being incapable of making sound judgments because of a narrow, inflexible and obstinate mentality
Noun, Na-adjective 
頑冥不霊 がんめいふれい stubborn and ignorant
Noun, Na-adjective 
固陋頑迷 ころうがんめい obstinate; stubborn; hard-headed; being incapable of making sound judgments because of a narrow, inflexible and obstinate mentality
Noun, Na-adjective 
強情頑固 ごうじょうがんこ headstrong; obstinate; bullheaded
Noun, Na-adjective 
もう一頑張り もうひとがんばり one more effort
Noun, Suru verb 
もうひと頑張り もうひとがんばり one more effort
Noun, Suru verb 

Found 31 words.

You can also

Look up kanji details for *頑*.

Try a Yahoo Jisho search for *頑* .
Try a Goo Jisho search for *頑* .
Try a Google search for *頑* .